*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: #0a0618;
  color: #fff;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.icon { width: 1em; height: 1em; display: inline-block; fill: currentColor; }
.icon--star { width: 20px; height: 20px; color: #c084fc; margin-bottom: 12px; }
img { max-width: 100%; display: block; }
.btn { display: inline-flex; align-items: center; gap: 8px; }

body::before, body::after {
  content: ''; position: fixed; border-radius: 50%; filter: blur(100px); pointer-events: none; z-index: 0;
}
body::before { width: 600px; height: 600px; top: -200px; right: -100px; background: rgba(168,85,247,0.35); animation: float 14s ease-in-out infinite; }
body::after { width: 500px; height: 500px; bottom: -150px; left: -100px; background: rgba(6,182,212,0.3); animation: float 12s ease-in-out infinite reverse; }
@keyframes float { 50% { transform: translate(20px,-30px) scale(1.05); } }

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(24px, 5vw, 64px); height: 72px;
}
.nav--scrolled { background: rgba(10,6,24,0.8); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav__logo {
  font-size: 0.9rem; font-weight: 700;
  background: linear-gradient(90deg, #a855f7, #06b6d4, #ec4899);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav__links { display: flex; gap: clamp(16px, 3vw, 36px); list-style: none; }
.nav__links a { font-size: 0.72rem; letter-spacing: 0.1em; color: rgba(255,255,255,0.65); transition: color 0.3s; }
.nav__links a:hover { color: #fff; }
.nav__cta {
  padding: 10px 24px; border-radius: 999px; font-size: 0.7rem; font-weight: 600; letter-spacing: 0.08em;
  background: linear-gradient(135deg, #a855f7, #6366f1); border: none; color: #fff; cursor: pointer;
  box-shadow: 0 8px 32px rgba(168,85,247,0.35);
}
.nav__toggle { display: none; background: none; border: none; color: #fff; cursor: pointer; }
.nav__toggle span { display: block; width: 22px; height: 1px; background: #fff; margin: 5px 0; }

.hero {
  position: relative; z-index: 1; min-height: 100vh;
  display: flex; align-items: center; justify-content: center; text-align: center;
  overflow: hidden;
}
.hero__bg { position: absolute; inset: 0; }
.hero__bg img { width: 100%; height: 100%; object-fit: cover; }
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,6,24,0.4) 0%, rgba(10,6,24,0.75) 50%, rgba(10,6,24,0.92) 100%);
}
.hero__orb {
  position: absolute; width: 320px; height: 320px; border-radius: 50%;
  border: 1px solid rgba(168,85,247,0.2);
  top: 50%; left: 50%; transform: translate(-50%,-50%);
  animation: spin 30s linear infinite; z-index: 1;
}
.hero__orb::before {
  content: ''; position: absolute; inset: -40px; border-radius: 50%;
  border: 1px dashed rgba(6,182,212,0.15); animation: spin 20s linear infinite reverse;
}
@keyframes spin { to { transform: translate(-50%,-50%) rotate(360deg); } }

.hero__content { position: relative; z-index: 2; max-width: 800px; padding: 100px 24px 80px; }
.hero__pill {
  display: inline-block; padding: 8px 20px; border-radius: 999px; margin-bottom: 28px;
  background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(12px); font-size: 0.68rem; letter-spacing: 0.15em; color: rgba(255,255,255,0.8);
}
.hero__title {
  font-size: clamp(2.2rem, 6vw, 4.2rem); font-weight: 700; line-height: 1.15; letter-spacing: 0.02em;
  background: linear-gradient(120deg, #fff 0%, #c084fc 40%, #22d3ee 70%, #f472b6 100%);
  background-size: 200% auto; -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
  animation: shimmer 4s linear infinite;
}
@keyframes shimmer { to { background-position: 200% center; } }
.hero__desc { margin-top: 24px; font-size: 1rem; line-height: 1.85; color: rgba(255,255,255,0.75); font-weight: 300; max-width: 540px; margin-left: auto; margin-right: auto; }
.hero__btns { margin-top: 40px; display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  padding: 14px 32px; border-radius: 999px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em;
  border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); backdrop-filter: blur(8px); transition: all 0.3s;
}
.btn--fill { background: linear-gradient(135deg, #a855f7, #6366f1); border-color: transparent; box-shadow: 0 8px 28px rgba(99,102,241,0.35); }
.btn:hover { transform: translateY(-2px); }

.section { position: relative; z-index: 1; padding: 100px clamp(24px, 5vw, 64px); }
.section__inner { max-width: 1100px; margin: 0 auto; }
.section__label { font-size: 0.65rem; letter-spacing: 0.25em; color: #a855f7; margin-bottom: 12px; }
.section__title { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; margin-bottom: 16px; }
.section__intro { color: rgba(255,255,255,0.55); line-height: 1.85; max-width: 520px; margin-bottom: 48px; font-weight: 300; }

.about-split { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; margin-bottom: 56px; }
.about-split__media { border-radius: 24px; overflow: hidden; border: 1px solid rgba(255,255,255,0.1); }
.about-split__media img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; }
.about-split__text .section__intro { margin-bottom: 0; }

.glass-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.glass {
  border-radius: 24px; overflow: hidden;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  backdrop-filter: blur(16px); transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.glass:hover { transform: translateY(-6px); border-color: rgba(168,85,247,0.35); box-shadow: 0 20px 60px rgba(168,85,247,0.15); }
.glass--img { display: flex; flex-direction: column; }
.glass__img { aspect-ratio: 16/10; overflow: hidden; }
.glass__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.glass:hover .glass__img img { transform: scale(1.05); }
.glass__body { padding: 24px 28px 28px; }
.glass__icon {
  width: 48px; height: 48px; border-radius: 16px; display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, rgba(168,85,247,0.3), rgba(6,182,212,0.2)); color: #c084fc;
}
.glass__icon .icon { width: 22px; height: 22px; }
.glass__title { font-size: 0.95rem; font-weight: 600; margin-bottom: 10px; }
.glass__desc { font-size: 0.85rem; line-height: 1.75; color: rgba(255,255,255,0.5); font-weight: 300; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.product-card {
  border-radius: 20px; overflow: hidden;
  background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  transition: transform 0.3s, box-shadow 0.3s;
}
.product-card:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(168,85,247,0.2); }
.product-card__img { aspect-ratio: 4/3; overflow: hidden; }
.product-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card__img img { transform: scale(1.06); }
.product-card__body { padding: 24px 28px 28px; }
.product-card__tag {
  display: inline-block; font-size: 0.65rem; letter-spacing: 0.15em; color: #a855f7; margin-bottom: 12px;
}

.cases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.case-card { position: relative; border-radius: 20px; overflow: hidden; aspect-ratio: 4/5; }
.case-card__img { position: absolute; inset: 0; }
.case-card__img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.case-card:hover .case-card__img img { transform: scale(1.06); }
.case-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(10,6,24,0.95) 100%);
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: 32px 28px;
}

.contact-banner { position: relative; min-height: 400px; display: flex; align-items: center; justify-content: center; overflow: hidden; z-index: 1; }
.contact-banner__bg { position: absolute; inset: 0; }
.contact-banner__bg img { width: 100%; height: 100%; object-fit: cover; }
.contact-banner__overlay { position: absolute; inset: 0; background: rgba(10,6,24,0.78); }
.contact-banner__content { position: relative; z-index: 2; text-align: center; padding: 64px 24px; }
.contact-banner__info { color: rgba(255,255,255,0.65); margin: 16px 0 28px; font-size: 0.95rem; }

.stats { display: flex; justify-content: center; gap: clamp(40px, 8vw, 80px); flex-wrap: wrap; margin-top: 64px; }
.stat__num {
  font-size: clamp(2rem, 4vw, 3rem); font-weight: 700;
  background: linear-gradient(90deg, #c084fc, #22d3ee); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.stat__label { font-size: 0.65rem; letter-spacing: 0.12em; color: rgba(255,255,255,0.4); margin-top: 4px; }

.footer { position: relative; z-index: 1; padding: 40px; text-align: center; border-top: 1px solid rgba(255,255,255,0.06); }
.footer p { font-size: 0.7rem; color: rgba(255,255,255,0.3); }

@media (max-width: 768px) {
  .nav__toggle { display: block; }
  .nav__links { display: none; position: fixed; top: 72px; left: 0; right: 0; flex-direction: column; background: rgba(10,6,24,0.95); padding: 20px; backdrop-filter: blur(20px); }
  .nav--open .nav__links { display: flex; }
  .nav__cta { display: none; }
  .about-split { grid-template-columns: 1fr; }
}